package giftmail.dao;

import java.util.List;

import giftmail.model.Data;
import giftmail.model.User;

public interface DataMapper {

	Data selectByPrimaryKey(Integer id);
	
	//查看Data表List
    public List<Data> findData();
    
    //根据id查询对象
    public Data findDataById(Integer id);
    
    //用户对象
    public int update(Data data);
}
